Imagine yourself driving quietly aboard your Mercedes Benz M Class and all of a sudden an engine signal appears on your dashboard ! The most standard reaction is the fear of risking a major trouble. To know what exactly this light corresponds to, you will have to learn how to read an Mercedes Benz M Class fault codes, you may have already heard of OBD system, this is precisely what we are going to discuss. Our writers have chosen to write this content page to enable you fairly quickly locate the origin of this default code and to give you peace of mind. To do this, we will first check out the nature of a fault code on Mercedes Benz M Class, then how to read an Mercedes Benz M Class fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.

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What is a Mercedes Benz M Class fault code?

A fault code is a generic or standard code common to all manufacturers , they are also called DTC (Data Trouble Code), the objective is to ensure that any diagnostic OBD can understand them. They will be symbolized by a standard format, such as example: P0255. Each info will have a special meaning. Default codes are codes issued by the calculators of your Mercedes Benz M Class. These ECUs will constantly monitor your vehicle’s exhausts, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will appear. The advantage of understanding how to read a fault code on your Mercedes Benz M Class is that you will have be able to access to complete data about your car which will enable you to understand what problem you are facing.

How to read a fault code on my Mercedes Benz M Class?

In this second part we will now focus specifically on what brings you here, how to read a fault code on Mercedes Benz M Class. To discover this valuable info you will need to to obtain a diagnostic tool, also known as OBD 2, named after the socket on your Mercedes Benz M Class to which you will have to connect. These diagnostic tools are freely available, you will be able to find some in Bluetooth version which connects to your phone and some standard versions with a reader associated to the socket, as far as price is concerned, you will be able to find models between 30 and 100 euros. Once you have acquired an OBD2 diagnostic reader, you will need to situate the diagnostic plug on your Mercedes Benz M Class, it is based on the left side of your steering column on the lower part of your dashboard, behind a hatch. It is easy to locate because it is triangular shaped and has 16 pins. All you have to do is connect with your diagnostic tool to read the fault code of your Mercedes Benz M Class.

How to erase the fault code Mercedes Benz M Class

Finally, to conclude this article, we are going to demonstrate you the methode to do to erase a fault code on your Mercedes Benz M Class. Once you have navigated through the menus, you will access the list of active fault codes on your car. However, you will have to ask yourself an essential question, is it really advantageous to erase this fault code on Mercedes Benz M Class? Absolutely, erasing a fault code without resolving the trouble corresponds to burying its head in the sand. Moreover, the computer of your Mercedes Benz M Class is made to take decisions according to the data it collects, if an important fault code is present, it will actually modify the engine overall performance to preserve it. So if you erase the fault code, be sure you fix the problem to which it is associated. Some OBD diagnostic tools do not allow you to do this. You have a dedicated navigation menu on most diagnostic tools that should allow you to clear this fault code on Mercedes Benz M Class.

To find more tips on the Mercedes Benz M Class, take a look at the Mercedes Benz M Class category.